Home / 13,449.24-20,176.04-5,660.28

Finding the Fourth Proportional to 13,449.24, 20,176.04 and 5,660.28

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Solution

The fourth proportional to 13,449.24, 20,176.04 and 5,660.28 is: 8,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.24 : 20,176.04 = 5,660.28 : x
  2. Step 2: Convert to fraction form
    13,449.24/20,176.04 = 5,660.28/x
  3. Step 3: Cross multiply
    13,449.24x = 20,176.04 × 5,660.28
  4. Step 4: Simplify right side
    13,449.24x = 114,202,035.69
  5. Step 5: Solve for x
    x = 114,202,035.69/13,449.24
  6. Step 6: Final answer
    x = 8,491.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.